Wagon-jack.



Patented May I, I900.

'0. H. LUND.

WAGON JACK. (Application filed June 16, 1899.)

(No Model.)

TNE nonqls Psrvcs 00.. Pnoruu'mou WASHINGTON. a. c

UNITED STAT S PATENT *Oriucn.

OLAF H. LUND, OF KENYON, MINNESOTA.

WAGON-JACK.

SPECIFICATION forming part of Letters Patent n6. 648,507, dated lVIay 1,ieoo.

Application filed Tune 16, 1899. $erial No. 720,759. (No model.)

To ctZZ whom it may concern the lock-rack 11 project laterally or fromone Be it known that I, OLAF H. LUND, a citiside of the upright 1.

Zen of the United States, residing at Kenyon, A lifting-lever 14 isprovided for coopera- 55 in the county of Goodhue and State of Mintionwith the standard 1 2. The lifting end 5 nesota, have invented certainnew and use: of this lever 14 is of such width that it is fulImprovements in Wagon-Jacks; and I do adapted to snugly fit into theseat or opening hereby declare the following to be afull, clear, 16,formed in the base 2 between the upright and exact description oftheinvention, such as 1, block 4, and parallel strips 3. This posiwillenable others skilled in the art to which tion of the lever is indicatedby dotted lines 10 it appertains to make and use the same. in Fig. 1,and the lever may be thus held in My invention has for its object toprovide an inoperative position when out of use, so an improvedwagon-jack; and to this end it that the device may be placed withinsmall consists of the novel devices and combinacompass and thelifting-lever may not readtions of devices hereinafter described, anddeily be misplaced or accidentally separated 15 fined in the claim. 1from the base 2.

The invention in its preferred form is illus- Some little distanceinward from its ex trated in the accompanying drawings, wheretreme end15 the lever 14 is provided with a inlike characters indicate like partsthroughplate 17, which is secured thereto by four out the several views.clenching prongs or fingers 18. This plate o Figure 1 is a rightsideelevation of the 17 may be either a malleable castingor of wagon-jack,the lifting-lever being shown in Wrought iron or steel, and the socalled its operative position by full lines and in an clenching-fingers18 are bent around the inoperative positionby dotted lines. Fig. 2 isedges of the lever 14, so as to securely hold a transverse verticalsection taken on the line the said plate 17 to the said lever. Prefer- 25 50 .99 of Fig. 1. Fig. 3 is a front elevation of ably the lever 14 isprovided with notches 19, the standard of the jack, the lever being reinwhich the clenching-fingers 18 are bent and moved therefrom; and Fig. 4is a horizontal "seated, so that the plate 17 is more securely sectiontaken on the line 00 50 0f Fig. 1, some held against sliding movementson the said parts being broken away. lever. At its forward and upperportion the 30 The standard is made up of a strong upright plate 17 isprovided with a downturned fulor vertical column 1 and a base 2. Thebase crum-hook 20, and at its rear and upper edge 2 in this preferredconstruction is made up of it is further provided with a locking-flangea pair of horizontal and parallel bars 3, which 21, which parts 20 and21 are adapted, reare spaced apart by the lower end of theverspectively, for engagement with theso-called 5 tical standard 1 andby'a spacing-block 4, fulcrum teeth or fingers 9 and locking both ofwhich parts they are caused to clamp teeth 12. by means of nutted bolts5. A transversely- In the use of the device the lifting-lever 14 vextended strip 6 is countersunk into the botis placed at the properheight and its fulo tom edges of the strips 3 and rigidly securedcrum-hook 20 is engaged over the proper one 40 thereto, so as to givethe standard lateral staof the series of fulcrum teeth or fingers 9, thebility. As shown, a strap or brace 7 is eX- lifting end 15 is placedunder the axle at the tended between the longer ends of the baseproperpoint and the wheel of the vehicle is strips 3 and the upright 1. raisedwith a leverage action to the proper A fulcrum rack or bar 8, havingupturned height, and then the lifting-lever is locked by 45 andhook-like fulcrum teeth or fingers 9, is engagingthe locking-flange 21with the proper rigidly secured to the forward edge of the upmember ofthe locking-teeth 12 of the bar or right 1 by means of screws 10 orotherwise. rack 11.

To the rear edge of the upright 1 alock rack The lifting jack abovedescribed is very or bar 11, having downturned locking-teeth easilymanipulated, it is strong, and is of 5o 12, is rigidly secured by meansof screws 13 small cost. The so-called .fulcrum-hook or otherwise. Theteeth 9 of the fulcrum- 20 and locking-flange 21 being formed intebar 8project forward, while the teeth 12 of gral with a common plate orcasting cannot getout of adjustment, and they are, of course;

essentially set in their proper adjustmentiby the act of securing thesaid plate or casting to the lifting-leve V What I claim, and desire tosecure by Letters Patent of the United States, is as follows v In alifting-jack, the combination with a vertical standard or supportprovided with the series of upturned fulcrum teeth or fingers, and theseries of downturned lockingteeth, of the lifting-lever 14 providedwiththe plate 17 secured thereto by the cl'enching fingers or prongslS,and having formed integral therewith the fulcrum-hook 20 and the 7locking-flange 21-,the said parts operating sub- I 5 stantially asdescribed.

In testimony whereof I affix my signature in presence of two Witnesses.

OLAF H. LUND. "Witnesses: i

J. O. E. HOHNEN, H. G. SORENSEN.

